Caryn.
For the burns on the skin, I used both Biafine and Aquaphor. Biafine 3x a day for the radiation effects, and the Aquafor (2x a day) for the toasted skin. It worked for me, and kept the crackling skin under control, along with the redness.
Regarding the mouth/throat issues, I did experience that too, but not that bad. I gargled / rinsed my mouth out with warm water, salt and baking soda 5x a day. I would alternate between oral-gel (a prescription) and the magic mouthwash. Each one had its plus